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CN111284365B - Cooling system for environmentally friendly vehicle - Google Patents

Cooling system for environmentally friendly vehicle Download PDF

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Publication number
CN111284365B
CN111284365B CN201910486075.8A CN201910486075A CN111284365B CN 111284365 B CN111284365 B CN 111284365B CN 201910486075 A CN201910486075 A CN 201910486075A CN 111284365 B CN111284365 B CN 111284365B
Authority
CN
China
Prior art keywords
battery
cooling
cooling device
coolant
electronic component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910486075.8A
Other languages
Chinese (zh)
Other versions
CN111284365A (en
Inventor
郑然万
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Motor Co
Kia Corp
Original Assignee
Hyundai Motor Co
Kia Motors Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hyundai Motor Co, Kia Motors Corp filed Critical Hyundai Motor Co
Publication of CN111284365A publication Critical patent/CN111284365A/en
Application granted granted Critical
Publication of CN111284365B publication Critical patent/CN111284365B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/12—Arrangements for cooling other engine or machine parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/00807—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a specific way of measuring or calculating an air or coolant temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • B60H1/00885—Controlling the flow of heating or cooling liquid, e.g. valves or pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P1/00—Air cooling
    • F01P1/06—Arrangements for cooling other engine or machine parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/029—Expansion reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20172—Fan mounting or fan specifications
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20254—Cold plates transferring heat from heat source to coolant
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
    • H05K7/20863—Forced ventilation, e.g. on heat dissipaters coupled to components
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
    • H05K7/20872—Liquid coolant without phase change
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20927—Liquid coolant without phase change
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20945—Thermal management, e.g. inverter temperature control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/92—Hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/05—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00—Applications
    • F01P2050/22—Motor-cars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00—Applications
    • F01P2050/24—Hybrid vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Electrochemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention provides a cooling system for an environmentally friendly vehicle. The cooling system for an eco-friendly vehicle includes an electronic component cooling device that cools electronic components of the eco-friendly vehicle and a battery cooling device that cools a battery mounted in the eco-friendly vehicle. A connector connects the electronic component cooling device and the battery cooling device to each other.

Description

Cooling system for environmentally friendly vehicle
Technical Field
The present invention relates to a cooling system for an eco-vehicle, and more particularly, to a cooling system for an eco-vehicle, which effectively cools an electronic component cooling device for cooling electronic components of an eco-vehicle and a battery cooling device for cooling a battery mounted in an eco-vehicle using only one liquid storage tank.
Background
Recently, as concerns about energy efficiency and environmental pollution continue to increase, there is a need to develop an environmentally friendly vehicle that can replace an internal combustion engine vehicle. Such environmentally friendly vehicles are generally classified into electric vehicles driven using a fuel cell or electric power as a power source, or hybrid vehicles driven using an engine and a battery. The hybrid vehicle generates driving force by driving an electric motor using electric power supplied from a fuel cell or battery and an engine operated using ordinary fuel. In this case, heat generated by electronic components including a fuel cell or battery, a motor, etc. should be removed to improve safety and efficiency of the vehicle.
Accordingly, in the conventional hybrid vehicle or electric vehicle, as shown in fig. 1, the electronic component cooling device and the battery cooling device are configured as separate closed circuits, respectively, and cool heat generated from the motor, the electronic component, and the battery, thereby cooling heat generated from the motor, the electronic component, and the battery. However, conventionally, the electronic component cooling device and the battery cooling device are separately configured, and therefore, it is necessary to separately configure a tank for the electronic component cooling device and a tank for the battery cooling device. Therefore, the layout of the cooling line is complicated, and the size and weight of the entire cooling system are increased.
Disclosure of Invention
An object of the present invention is to provide a cooling system for an environmentally friendly vehicle, which includes only one of a tank for an electronic component cooling device and a battery cooling device, supplies coolant from the tank to the battery cooling device, and allows the coolant of the electronic component cooling device and the battery cooling device to be independently circulated to cool each of the electronic component and the battery after the coolant is filled into the battery cooling device, and thus, the layout of a cooling line can be simplified, and the size and weight of the entire cooling system can be reduced.
According to an exemplary embodiment of the present invention, a cooling system for an eco-friendly vehicle may include an electronic component cooling device configured to cool electronic components of the eco-friendly vehicle, a battery cooling device configured to cool a battery installed in the eco-friendly vehicle, and a connector connecting the electronic component cooling device and the battery cooling device to each other.
The electronic components of the eco-friendly vehicle may include an inverter and a motor. The electronic component cooling device may include an electronic component of the eco-vehicle, a heat exchanger configured to cool a coolant flowing in the electronic component cooling device, a first pump configured to allow the coolant to circulate in the electronic component cooling device, a tank into which the coolant may be injected to be stored, and an electronic component cooling line connecting the heat exchanger, the first pump, and the tank to each other, and the coolant may flow through the electronic component cooling line.
The cooling system may further include a cooling fan mounted behind the heat exchanger and configured to facilitate cooling of the electronic component cooling device. In addition, the cooling system may further include an air conditioner installed in front of the heat exchanger and configured to promote cooling of the electronic component cooling device, and a temperature sensor installed in the electronic component cooling device and configured to measure a temperature of the coolant. The connector may connect the reservoir and the battery cooling circuit.
The battery cooling device may include a second pump configured to supply coolant injected into the tank to the battery cooling device, a battery configured to supply energy for driving the eco-vehicle, a inching valve connected to the tank, provided in front of an inlet of the battery, configured to block air from entering the battery, and configured to discharge the air to the tank, a battery cooling line connecting the second pump, the battery, and the inching valve, and a cooler that may flow through the battery cooling line, and the cooler is provided in front of the battery, and configured to cool the coolant of the battery cooling line.
The cooling system may further include an air line connecting the micro valve and the tank to each other. Air introduced into the battery or air generated from the battery cooling line flows to the reservoir along the air line through the inching valve. The cooling system may further include a controller configured to determine whether to inject coolant into the tank and operate the first pump, the second pump, the cooling fan, and the micro valve. The controller may be configured to operate the second pump to supply coolant from the reservoir to a battery cooling circuit of the battery cooling device.
Drawings
The above and other aspects, features, and other advantages of the present invention will become more apparent from the detailed description presented below in conjunction with the drawings, in which:
fig. 1 is a diagram showing a configuration of a conventional cooling system for an eco-friendly vehicle according to the prior art; and
Fig. 2 is a diagram showing the configuration of a conventional cooling system for an eco-friendly vehicle according to the present invention.
Detailed Description
It should be understood that the term "vehicle" or "vehicular" or other similar terms as used herein generally include motor vehicles, such as passenger automobiles including Sport Utility Vehicles (SUVs), buses, trucks, various commercial vehicles, watercraft including various boats, ships, aircraft, etc., and include hybrid vehicles, electric vehicles, plug-in hybrid electric vehicles, hydrogen-powered vehicles, and other alternative fuel vehicles (e.g., fuels derived from non-petroleum sources of energy). As referred to herein, a hybrid vehicle is a vehicle having two or more power sources, such as a vehicle that is both gasoline powered and electric powered.
Although the exemplary embodiments are described as using multiple units for the exemplary process, it should be understood that the exemplary process may also be performed by one or more modules. Furthermore, it should be understood that the term controller/control unit means a hardware device comprising a memory and a processor. The memory is configured to store modules and the processor is specifically configured to execute the modules to perform one or more processes described further below.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, values, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, values, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The term "about" as used herein is understood to be within normal tolerances in the art, e.g., within 2 standard deviations on average, unless specifically stated or apparent from the context. "about" may be understood to be within 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, 1%, 0.5%, 0.1%, 0.05% or 0.01% of the indicated value. Unless otherwise clear from the context, all numerical values provided herein are modified by the term "about".
A cooling system for an eco-friendly vehicle according to an exemplary embodiment of the present invention will be described below with reference to the accompanying drawings.
Fig. 2 is a diagram showing a configuration of a conventional cooling system for an eco-friendly vehicle according to an exemplary embodiment of the present invention. As shown in fig. 2, the eco-vehicle cooling system 10 according to the exemplary embodiment of the present invention may include an electronic component cooling device 100, a battery cooling device 200, and a connector 300, wherein the electronic component cooling device 100 is configured to cool electronic components for an eco-vehicle, the battery cooling device 200 is configured to cool a battery installed in the eco-vehicle, and the connector 300 connects the electronic component cooling device 100 with the battery cooling device 200. In particular, the eco-friendly vehicle cooling system 10 according to the exemplary embodiment of the present invention may be applied to a hybrid vehicle or an electric vehicle using an engine and a motor.
Therefore, in the cooling system for an eco-friendly vehicle according to the present invention, the electronic component cooling device 100 and the battery cooling device 200 may be connected to each other via the connector 300 to supply coolant from the tank of the electronic component cooling device 100 to the battery cooling device 200. After the coolant is filled into the battery cooling device 200, the coolant of the electronic component cooling device 100 and the battery cooling device 200 may be circulated independently of each other to cool each of the electronic component and the battery. Accordingly, the layout of the cooling pipes can be simplified, and the size and weight of the entire cooling system can be reduced.
In particular, the electronic component cooling apparatus 100 may include an electronic component 110 of an eco-friendly vehicle, a heat exchanger 120, a first pump 130, a liquid storage tank 140, and an electronic component cooling line 150. The electronic component 110 of the eco-vehicle may be an electronic component that generates heat when driving the eco-vehicle, and in some exemplary embodiments may include a motor and an inverter required to drive the eco-vehicle. In addition, various electronic components that need to be cooled due to heat generated from the eco-vehicle when driving the eco-vehicle may be included in the electronic components according to the present invention. For example, the electronic component 110 may include a Hybrid Starter Generator (HSG), a hybrid control unit (HPCU), an Oil Pump Unit (OPU), or the like.
The heat exchanger 120 may be disposed in a front region of the vehicle, and may be configured to cool coolant circulating in the electronic component cooling line 150. In some exemplary embodiments, the heat exchanger 120 may be a radiator. In particular, the heat exchanger 120 may be configured to cool the coolant circulated and introduced through the electronic component cooling line 150 via heat exchange with the introduced air when the vehicle is driven.
The first pump 130 may be configured to circulate a coolant in the electronic component cooling apparatus 100. According to the present invention, the first pump 130 may be an Electric Water Pump (EWP). In particular, the first pump 130 may be configured to circulate the coolant cooled in the heat exchanger 120 along the electronic component cooling line 150 to cool the electronic component 110 including the motor and the inverter to prevent the electronic component 110 from being overheated.
The reservoir 140 may store the coolant injected therein, and the injected coolant may be supplied to the battery cooling device 200 through the connector 300. In particular, after the battery cooling line 250 is brought into a vacuum state, the coolant injected into the reservoir tank 140 may be supplied to the battery cooling line 250 of the battery cooling device 200, and the second pump 210 of the battery cooling device 200 may be driven to forcibly supply the coolant injected into the reservoir tank 140 to the battery cooling line 250. The electronic component cooling line 150 may connect the heat exchanger 120, the first pump 130, and the tank 140, and the coolant in the electronic component cooling line 150 may flow and circulate through the first pump 130.
The cooling system may further include a cooling fan 500 installed behind the heat exchanger 120 to facilitate cooling of the electronic component cooling device 100, and a temperature sensor 160 installed in the electronic component cooling device 100 and configured to measure a temperature of the coolant of the electronic component cooling circuit 150. In particular, information about the temperature of the coolant measured by the temperature sensor 160 may be transmitted to a controller 700 to be described below. The controller 700 may be configured to operate the cooling fan 500 and promote heat exchange with air introduced from the outside to improve cooling efficiency of the coolant when the temperature measured by the temperature sensor 160 is equal to or greater than a preset temperature (e.g., about 20 ℃).
Further, the controller 700 may be configured to operate the cooling fan 500 and promote cooling of the electronic component cooling device 100 only when the coolant is at a preset temperature or higher. Accordingly, the waste of power due to the operation of the cooling fan 500 can be minimized. The battery cooling device 200 may be configured to cool a battery mounted in a vehicle. In particular, battery cooling device 200 may include a second pump 210, a battery 220, a micro valve 240, a battery cooling circuit 250, and a cooler 230.
The second pump 210 may be configured to supply the coolant injected into the reservoir 140 to the battery cooling line 250 of the battery cooling device 200. According to the present invention, the second pump 210 may be an Electric Water Pump (EWP). In particular, the second pump 210 may be configured to circulate the coolant cooled by the cooler 230 along the battery cooling line 250 to cool the battery, thereby preventing the battery 220 from being overheated. Battery 220 may be configured to provide energy for driving the eco-friendly vehicle. According to the present invention, battery 220 may be a high voltage battery that drives an electric motor installed in an eco-friendly vehicle and provides the energy required to drive the vehicle.
Micro valve 240 may be connected to reservoir 140, may be disposed in front of an inlet of battery 220 to block air from entering battery 220, and may be configured to exhaust air included in the coolant in battery cooling circuit 250 to reservoir 140. In the battery cooling device 200, when the coolant is circulated along the battery cooling line 250 by the second pump 210, air, bubbles, etc. are generated, and the air, bubbles, etc. may obstruct the flow of the coolant circulated in the battery cooling line 250. In other words, the coolant may not smoothly circulate due to air, bubbles, etc. in the battery cooling line 250, with the result that the battery may not be effectively cooled. Therefore, according to the present invention, the inching valve 240 may be installed in front of the inlet of the battery 220, and thus, air may be prevented from being introduced into the battery cooling duct 250 for cooling the battery 220, and the coolant may be allowed to smoothly circulate in the battery cooling duct, thereby effectively cooling the battery.
Battery cooling circuit 250 may connect second pump 210, battery 220, and micro valve 240, and coolant in battery cooling circuit 250 may flow and circulate through second pump 210. A cooler 230 may be provided in front of the battery 220 to cool the coolant of the battery cooling line 250. In particular, the cooler 230 may be configured to maintain a low temperature using a refrigerant circulating in a refrigerant line 640 of the air conditioner 600, which will be described below, and may be configured to cool the coolant circulating in the battery cooling line 250 via heat exchange with the coolant to cool the battery 220 using the cooled coolant.
As shown in fig. 2, the cooling system for an eco-friendly vehicle according to an exemplary embodiment of the present invention may further include an air conditioner 600. Air conditioner 600 may be connected to capacitor 610 via refrigerant line 640 and may include valve 650, evaporator 630, compressor 620. Wherein valve 650 is for consuming (e.g., discharging) the refrigerant discharged from capacitor 610, evaporator 630 is connected to valve 650 via refrigerant line 640 and configured to evaporate the refrigerant consumed from valve 650, compressor 620 is connected to evaporator 630 via refrigerant line 640, and configured to compress the refrigerant discharged from evaporator 630 and supply the refrigerant to capacitor 610. In particular, the capacitor 610 may be installed in front of the heat exchanger 120 of the electronic component cooling device 100, and may assist the heat exchanger 120 to facilitate cooling of coolant circulating in the electronic component cooling device 100. The air conditioner according to the present invention is a known technology, and therefore, a detailed description of components of the air conditioner is omitted.
The connector 300 may connect the liquid storage tank 140 of the electronic component cooling apparatus 100 and the battery cooling line 250 to each other. According to the present invention, the reservoir 140 and the battery cooling line 250 may be connected via the connector 300, and the coolant injected into the reservoir 140 may be supplied to the battery cooling line 250 through the connector 300. In addition, after the coolant is filled in the battery cooling line 250, the coolant of the electronic component cooling device 100 and the battery cooling device 200 may be circulated independently of each other to cool the electronic component and the battery. Accordingly, the layout of the cooling pipes can be simplified, and the size and weight of the entire cooling system can be reduced.
The cooling system for an eco-friendly vehicle according to the present invention may further include an air line 400 for connecting the jog valve 240 of the battery cooling device 200 and the reservoir 140. In particular, inching valve 240 may be configured to convey or direct air introduced into battery 220 or generated from battery cooling circuit 250 to tank 140 through air circuit 400.
According to the present invention, the cooling system for an eco-vehicle according to the present invention may further include a controller 700, the controller 700 being configured to determine whether a preset amount of coolant is injected into the tank 140, and to operate the first pump 130, the second pump 210, the cooling fan 500, and the micro valve 240. In particular, in some example embodiments, the controller 700 may be configured to determine whether to inject a preset amount of coolant into the tank 140 using a level sensor or the like installed in the tank 140. When coolant is injected into the reservoir 140, the controller 700 may be configured to operate the second pump 210 to supply the coolant of the reservoir 140 to the battery cooling line 250.
As described above, according to the present invention, the cooling system for an eco-friendly vehicle may include only one of the liquid storage tanks for the electronic component cooling device and the battery cooling device, may be configured to supply the coolant from the liquid storage tank to the battery cooling device, and, after the coolant is filled into the battery cooling device, allow the coolant of the electronic component cooling device and the battery cooling device to be independently circulated to cool each of the electronic component and the battery. Accordingly, the layout of the cooling pipes can be simplified, and the size and weight of the entire cooling system can be reduced.
While the invention has been shown and described with respect to the specific embodiments, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the following claims.

Claims (9)

1. A cooling system for an environmentally friendly vehicle, comprising:
An electronic component cooling device configured to cool electronic components of an environmentally friendly vehicle;
a battery cooling device configured to cool a battery mounted within the environmentally friendly vehicle;
a connector that connects the electronic component cooling device and the battery cooling device; and
A controller;
Wherein the electronic component cooling device includes:
An electronic component of the environmentally friendly vehicle;
a heat exchanger configured to cool a coolant flowing in the electronic component cooling device;
a first pump configured to circulate the coolant in the electronic component cooling device;
A tank into which the coolant is injected, and in which the coolant is stored; and
An electronic component cooling line that connects the heat exchanger, the first pump, and the tank, and through which the coolant flows;
Further comprises:
An air line configured to deliver air generated from the battery cooling line to the reservoir;
wherein, the battery cooling device includes:
A second pump configured to supply coolant injected into the tank to the battery cooling device;
A battery configured to provide energy for driving the eco-friendly vehicle;
a jog valve connected to the reservoir, disposed in front of the inlet of the battery, configured to block air from entering the battery and to exhaust the air to the reservoir; and
A battery cooling line connecting the second pump, the battery, and the inching valve, and through which the coolant flows;
wherein the connector connects the reservoir and the battery cooling circuit, and the connector is configured to supply coolant from the reservoir to the battery cooling device.
2. The cooling system for an eco-vehicle of claim 1, wherein the electronic components of said eco-vehicle comprise an inverter and a motor.
3. The cooling system for an environmentally friendly vehicle as claimed in claim 1, further comprising:
A cooling fan mounted behind the heat exchanger and configured to promote cooling of the electronic component cooling device.
4. The cooling system for an environmentally friendly vehicle as claimed in claim 1, further comprising:
an air conditioning device mounted in front of the heat exchanger and configured to promote cooling of the electronic component cooling device.
5. The cooling system for an environmentally friendly vehicle as claimed in claim 1, further comprising:
a temperature sensor mounted in the electronic component cooling device and configured to measure a temperature of the coolant.
6. The cooling system for an environmentally friendly vehicle as claimed in claim 3, wherein the battery cooling device further comprises:
A cooler disposed in front of the battery and configured to cool a coolant of the battery cooling line.
7. The cooling system for an environmentally friendly vehicle as claimed in claim 6, wherein:
The air line is configured to connect the micro valve and the reservoir,
Wherein air introduced into the battery or air generated from the battery cooling line flows to the tank along the air line through the inching valve.
8. The cooling system for an environmentally friendly vehicle as claimed in claim 6, wherein:
the controller is configured to determine whether to inject coolant into the tank and operate the first pump, the second pump, the cooling fan, and the inching valve.
9. The cooling system for an environmentally friendly vehicle as claimed in claim 8, wherein the controller is configured to operate the second pump to supply coolant of the tank to a battery cooling line of the battery cooling device.
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US11331979B2 (en) 2022-05-17
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